Using these Tri - Color Diamond Polishing Pads is easy. First, make sure the stone surface is clean. Then, attach the pad to your polishing machine. Start polishing at a slow speed and gradually increase it as you go. When using, keep the pad wet to prevent overheating. After use, rinse the pad thoroughly with water to remove any debris. Store the pads in a dry place to maintain their quality. Avoid using them on extremely hard or brittle stones without testing first, as it may cause damage to the pads or the stone.